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The problems which are important for the effective functioning of an access control policy in a large information system (LIS) are selected. The general concept of a local optimization of a role-based access control (RBAC) model is…

Cryptography and Security · Computer Science 2018-12-27 N. F. Bogachenko

We propose a new static approach to Role-Based Access Control (RBAC) policy enforcement. The static approach we advocate includes a new design methodology, for applications involving RBAC, which integrates the security requirements into the…

Software Engineering · Computer Science 2014-09-12 Asad Ali , Maribel Fernández

Access control is the enforcement of the authorization policy, which defines subjects, resources, and access rights. Graph-structured data requires advanced, flexible, and fine-grained access control due to its complex structure as…

Cryptography and Security · Computer Science 2024-06-03 Aya Mohamed , Dagmar Auer , Daniel Hofer , Josef Kueng

Attribute-based access control (ABAC) provides a high level of flexibility that promotes security and information sharing. ABAC policy mining algorithms have potential to significantly reduce the cost of migration to ABAC, by partially…

Cryptography and Security · Computer Science 2014-08-08 Zhongyuan Xu , Scott D. Stoller

In a cloud computing environment, access control policy is an effective means of fortification cloud users and cloud resources services against security infringements. Based on analysis of current cloud computing security characteristics,…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-05-14 Sultan Ullah , Zheng Xuefeng , Zhou Feng

As multi-robot systems continue to advance and become integral to various applications, managing conflicts and ensuring secure access control are critical challenges that need to be addressed. Access control is essential in multi-robot…

Robotics · Computer Science 2023-09-01 Salma Salimi , Farhad Keramat , Tomi Westerlund , Jorge Peña Queralta

In recent years, cloud computing has been developing rapidly and is widely used in various fields such as commerce and scientific research. However, security issues, including access control, are a very important problem in popularizing…

Cryptography and Security · Computer Science 2022-03-07 Ok-Chol Ri , Yong-Jin Kim , You-Jin Jong

Access control is an issue of paramount importance in cyber-physical systems (CPS). In this paper, an access control scheme, namely FEAC, is presented for CPS. FEAC can not only provide the ability to control access to data in normal…

Networking and Internet Architecture · Computer Science 2012-01-04 Guowei Wu , Dongze Lu , Feng Xia , Lin Yao

Attribute-based access control (ABAC) provides a high level of flexibility that promotes security and information sharing. ABAC policy mining algorithms have potential to significantly reduce the cost of migration to ABAC, by partially…

Cryptography and Security · Computer Science 2018-02-14 Zhongyuan Xu , Scott D. Stoller

We consider the problem of learning structured, closed-loop policies (feedback laws) from demonstrations in order to control under-actuated robotic systems, so that formal behavioral specifications such as reaching a target set of states…

Systems and Control · Computer Science 2019-03-05 Hadi Ravanbakhsh , Sriram Sankaranarayanan , Sanjit A. Seshia

We present a new approach to the logical design of relational databases, based on strategic port graph rewriting. We show how to model relational schemata as attributed port graphs and provide port graph rewriting rules to perform…

Databases · Computer Science 2019-02-07 János Varga

Attribute-based access control (ABAC) models are widely used to provide fine-grained and adaptable authorization based on the attributes of users, resources, and other relevant entities. Hierarchial group and attribute based access control…

Cryptography and Security · Computer Science 2021-01-12 Maanak Gupta , Ravi Sandhu

In the context of XACML-based access control systems, an intensive testing activity is among the most adopted means to assure that sensible information or resources are correctly accessed. Unfortunately, it requires a huge effort for manual…

Software Engineering · Computer Science 2018-09-11 Antonia Bertolino , Said Daoudagh , Francesca Lonetti , Eda Marchetti

To date, most work regarding the formal analysis of access control schemes has focused on quantifying and comparing the expressive power of a set of schemes. Although expressive power is important, it is a property that exists in an…

Cryptography and Security · Computer Science 2013-02-06 William C. Garrison , Adam J. Lee , Timothy L. Hinrichs

The prevalence of Internet of Things (IoTs) allows heterogeneous embedded smart devices to collaboratively provide intelligent services with or without human intervention. While leveraging the large-scale IoT-based applications like Smart…

Networking and Internet Architecture · Computer Science 2018-05-03 Ronghua Xu , Yu Chen , Erik Blasch , Genshe Chen

Motivated by the introduction of CACAO, the first open standard that harmonizes the way we document courses of action in a machine-readable format for interoperability, and the benefits for cybersecurity operations derived from utilizing,…

Cryptography and Security · Computer Science 2021-11-24 Vasileios Mavroeidis , Pavel Eis , Martin Zadnik , Marco Caselli , Bret Jordan

Technology trends will cause data movement to account for the majority of energy expenditure and execution time on emerging computers. Therefore, computational complexity will no longer be a sufficient metric for comparing algorithms, and a…

Computational Complexity · Computer Science 2014-11-11 Venmugil Elango , Fabrice Rastello , Louis-Noel Pouchet , J. Ramanujam , P. Sadayappan

Draco has been developed as an automated visualization recommendation system formalizing design knowledge as logical constraints in ASP (Answer-Set Programming). With an increasing set of constraints and incorporated design knowledge, even…

Graphics · Computer Science 2023-07-25 Johanna Schmidt , Bernhard Pointner , Silvia Miksch

With increasing emphasis on transparency in digital governance, users expect more than silence when their access requests are denied by a system. However, authorization methods are notorious for their inability to provide any form of…

Cryptography and Security · Computer Science 2026-04-15 Shanampudi Pranaya Chowdary , Shamik Sural

There have been many proposals for access control models and authorization policy languages, which are used to inform the design of access control systems. Most, if not all, of these proposals impose restrictions on the implementation of…

Cryptography and Security · Computer Science 2014-08-01 Jason Crampton , Charles Morisset